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"""SCons.Tool.jar
Tool-specific initialization for jar.
There normally shouldn't be any need to import this module directly.
It will usually be imported through the generic SCons.Tool.Tool()
selection method.
"""
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import SCons.Subst
import SCons.Util
from SCons.Node.FS import _my_normcase
import os
def jarSources(target, source, env, for_signature):
"""Only include sources that are not a manifest file."""
try:
env['JARCHDIR']
except KeyError:
jarchdir_set = False
else:
jarchdir_set = True
jarchdir = env.subst('$JARCHDIR', target=target, source=source)
if jarchdir:
jarchdir = env.fs.Dir(jarchdir)
result = []
for src in source:
contents = src.get_text_contents()
if contents[:16] != "Manifest-Version":
if jarchdir_set:
_chdir = jarchdir
else:
try:
_chdir = src.attributes.java_classdir
except AttributeError:
_chdir = None
if _chdir:
# If we are changing the dir with -C, then sources should
# be relative to that directory.
src = SCons.Subst.Literal(src.get_path(_chdir))
result.append('-C')
result.append(_chdir)
result.append(src)
return result
def jarManifest(target, source, env, for_signature):
"""Look in sources for a manifest file, if any."""
for src in source:
contents = src.get_text_contents()
if contents[:16] == "Manifest-Version":
return src
return ''
def jarFlags(target, source, env, for_signature):
"""If we have a manifest, make sure that the 'm'
flag is specified."""
jarflags = env.subst('$JARFLAGS', target=target, source=source)
for src in source:
contents = src.get_text_contents()
if contents[:16] == "Manifest-Version":
if not 'm' in jarflags:
return jarflags + 'm'
break
return jarflags
def Jar(env, target = None, source = [], *args, **kw):
"""
A pseudo-Builder wrapper around the separate Jar sources{File,Dir}
Builders.
"""
# jar target should not be a list so assume they passed
# no target and want implicit target to be made and the arg
# was actaully the list of sources
if SCons.Util.is_List(target) and source == []:
SCons.Warnings.Warning("Making implicit target jar file, " +
"and treating the list as sources")
source = target
target = None
# mutiple targets pass so build each target the same from the
# same source
#TODO Maybe this should only be done once, and the result copied
# for each target since it should result in the same?
if SCons.Util.is_List(target) and SCons.Util.is_List(source):
jars = []
for single_target in target:
jars += env.Jar( target = single_target, source = source, *args, **kw)
return jars
# they passed no target so make a target implicitly
if target == None:
try:
# make target from the first source file
target = os.path.splitext(str(source[0]))[0] + env.subst('$JARSUFFIX')
except:
# something strange is happening but attempt anyways
SCons.Warnings.Warning("Could not make implicit target from sources, using directory")
target = os.path.basename(str(env.Dir('.'))) + env.subst('$JARSUFFIX')
# make lists out of our target and sources
if not SCons.Util.is_List(target):
target = [target]
if not SCons.Util.is_List(source):
source = [source]
# setup for checking through all the sources and handle accordingly
java_class_suffix = env.subst('$JAVACLASSSUFFIX')
java_suffix = env.subst('$JAVASUFFIX')
target_classes = []
# function for determining what to do with a file and not a directory
# if its already a class file then it can be used as a
# source for jar, otherwise turn it into a class file then
# return the source
def file_to_class(s):
if(str(_my_normcase(s)).endswith(java_suffix)):
return env.JavaClassFile(source = s, *args, **kw)
else:
return [env.fs.File(s)]
# In the case that we are passed just string to a node which is directory
# but does not exist, we need to check all the current targets to see if
# that directory is going to exist so we can add it as a source to Jar builder
def get_all_targets(env, node='.'):
def get_all_targets_iter(env, node):
if node.has_builder():
yield node
for kid in node.all_children():
for kid in get_all_targets(env, kid):
yield kid
node = env.arg2nodes(node, env.fs.Entry)[0]
return list(get_all_targets_iter(env, node))
# loop through the sources and handle each accordingly
# the goal here is to get all the source files into a class
# file or a directory that contains class files
for s in source:
s = env.subst(s)
if isinstance(s, SCons.Node.FS.Base):
if isinstance(s, SCons.Node.FS.File):
# found a file so make sure its a class file
target_classes.extend(file_to_class(s))
else:
# found a dir so make sure its a dir of class files
target_classes.extend(env.JavaClassDir(source = env.fs.Dir(s), *args, **kw))
else:
if os.path.isfile(s):
# found a file that exists on the FS, make sure its a class file
target_classes.extend(file_to_class(s))
elif os.path.isdir(s):
# found a dir on the FS, add it as a dir of class files
target_classes.append(env.fs.Dir(s))
elif s[-len(java_suffix):] == java_suffix or s[-len(java_class_suffix):] == java_class_suffix:
# found a file that may not exists and is only a string
# so add it after converting it to a class file
target_classes.extend(file_to_class(s))
else:
# found a swig file so add it after converting it to class files
if(os.path.splitext(str(s))[1] == ".i"):
target_classes.extend(env.JavaClassFile(source = s, *args, **kw))
else:
# found a directory that does not yet exist, but can exist as a node
# check the target nodes to make sure it will be built, then add
# it as a source
for node in get_all_targets(env):
if(s in str(node) and os.path.splitext(str(node))[1] == ""):
target_classes.append(node)
# at this point all our sources have been converted to classes or directories of class
# so pass it to the Jar builder
return env.JarFile(target = target, source = target_classes, *args, **kw)
def generate(env):
"""Add Builders and construction variables for jar to an Environment."""
SCons.Tool.CreateJarBuilder(env)
SCons.Tool.CreateJavaFileBuilder(env)
SCons.Tool.CreateJavaClassFileBuilder(env)
SCons.Tool.CreateJavaClassDirBuilder(env)
env.AddMethod(Jar)
env['JAR'] = 'jar'
env['JARFLAGS'] = SCons.Util.CLVar('cf')
env['_JARFLAGS'] = jarFlags
env['_JARMANIFEST'] = jarManifest
env['_JARSOURCES'] = jarSources
env['_JARCOM'] = '$JAR $_JARFLAGS $TARGET $_JARMANIFEST $_JARSOURCES'
env['JARCOM'] = "${TEMPFILE('$_JARCOM','$JARCOMSTR')}"
env['JARSUFFIX'] = '.jar'
def exists(env):
# As reported by Jan Nijtmans in issue #2730, the simple
# return env.Detect('jar')
# doesn't always work during initialization. For now, we
# stop trying to detect an executable (analogous to the
# javac Builder).
# TODO: Come up with a proper detect() routine...and enable it.
return 1
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4:
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